Title:
ジメチロールブタナールの製造方法及びこれを用いたトリメチロールプロパンの製造方法
Document Type and Number:
Japanese Patent JP7054420
Kind Code:
B2
Abstract:
The method for preparing dimethylolbutanal according to an exemplary embodiment of the present application comprises a process of subjecting n-butyraldehyde (n-BAL) and paraformaldehyde (PFA) to an aldol reaction in the presence of water and an alkylamine catalyst, in which a weight ratio of the paraformaldehyde : the water is 1 : (0.35 to 0.85).
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Inventors:
Choi, Min-chi
Homme, Song Sik
Jeong, Tawon
Kim, Tae-Yoon
Ko, Tong-Hyun
Kim, Myeon
Homme, Song Sik
Jeong, Tawon
Kim, Tae-Yoon
Ko, Tong-Hyun
Kim, Myeon
Application Number:
JP2020552888A
Publication Date:
April 13, 2022
Filing Date:
July 10, 2019
Export Citation:
Assignee:
LG HAUSYS,LTD.
International Classes:
C07C45/75; B01J31/02; C07C29/141; C07C31/22; C07C47/19
Domestic Patent References:
| JP10231264A | ||||
| JP2016501202A |
Foreign References:
| KR1020180047257A | ||||
| KR1020150118808A | ||||
| US5763690 |
Attorney, Agent or Firm:
Patent business corporation Ikeuchi and Partners